Home / 51,513.60-77,279.10-15,966.76

Finding the Fourth Proportional to 51,513.60, 77,279.10 and 15,966.76

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Solution

The fourth proportional to 51,513.60, 77,279.10 and 15,966.76 is: 23,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.60 : 77,279.10 = 15,966.76 : x
  2. Step 2: Convert to fraction form
    51,513.60/77,279.10 = 15,966.76/x
  3. Step 3: Cross multiply
    51,513.60x = 77,279.10 × 15,966.76
  4. Step 4: Simplify right side
    51,513.60x = 1,233,896,842.72
  5. Step 5: Solve for x
    x = 1,233,896,842.72/51,513.60
  6. Step 6: Final answer
    x = 23,952.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.